Genuine OEM Audi Sunroof Frame Outer Seal, part number 8W9877459. This essential rubber seal is designed to create a watertight and airtight barrier around the outer perimeter of the sunroof frame. Its primary function is to prevent water ingress, reduce wind noise, and protect the interior from external elements. The seal is made of durable black rubber with a distinctive orange stripe, supplied coiled. Choosing a genuine OEM sunroof seal guarantees the correct profile, material elasticity, and precise fitment, which are crucial for maintaining the integrity of the vehicle's cabin and preventing costly water damage.